Brake Bleeder Screw

[Max Hoepli]

I can turn the front left bleeder screw with a 11mm 6-point box end wrench,
which is too big, a 10mm 6-point will not fit over nut. A 7/16" box 12-point
end wrench is too big and a 3/8" 12-point box end wrench is too small.

????

Max



-----Original Message-----
From: Huw Powell [mailto:audi at humanspeakers.com] 
Sent: Thursday, January 28, 2010 16:56
To: Max Hoepli
Cc: quattro at audifans.com
Subject: Re: Brake Bleeder Screw

One thing to keep in mind is that although "new" bleeders will be 10 mm, 
the ones installed in rebuilt calipers my vary.  I bought a pair of 4kq 
rebuilts for my 82 coupe, and one bleeder was 10 mm as expected, but the 
other one was 3/8".

And as Mark pointed out a 1/4" drive 6 pt socket works great for 
loosening and final tightening.  If they are hard to undo, use a tiny 
hammer and repeatedly tap the ratchet handle, like the world's smallest 
impact wrench.  Lessens chance of breaking the bleeder.

Whatever sort of tool you decide to acquire, I'd recommend getting a 
"set" anyway - they are cheaper that way, and you'll use the others 
eventually.

Max Hoepli wrote:
> Hi all,
> 
> What is the box end wrench size for the bleeder screw for a 1986 Audi type
> 44? For what other cars is the same box end wrench size applicable?
> I am told only to use a 6 point box end wrench.
> 
> Max
> 
> 
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-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/